The MAHLE HS54580 Head Set delivers a reliable sealing solution for 2001–2004 GM 6.6L Duramax LB7 engines. This premium upper engine gasket kit includes the seals, O-rings, RTV, and top-end gaskets needed for cylinder head service, leak repairs, and complete upper engine resealing.

MAHLE designs these gaskets to meet or exceed OEM standards. As a result, you get precise fitment, dependable sealing, and long-lasting durability in high-heat diesel applications. The kit also features quality intake and exhaust manifold gaskets built to handle demanding engine conditions.

Whether you are completing a stock rebuild or repairing a leaking top end, the HS54580 provides the components needed for a professional repair. In addition, MAHLE’s reputation for quality makes this kit a trusted choice among diesel technicians and engine builders.

Please note: this kit does not include head gaskets or head bolts. Those items must be purchased separately.

Features

• Fits 2001–2004 GM 6.6L Duramax LB7 engines
• Includes upper engine gaskets, seals, O-rings, and RTV
• Delivers OEM-quality fit and sealing performance
• Handles high heat and pressure with confidence
• Ideal for resealing and top-end engine repairs
• Manufactured by trusted diesel gasket supplier MAHLE
• Head gaskets and head bolts sold separately

Vehicle Fitment

• 2001 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
• 2002 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
• 2003 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
• 2004 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7 only